The Swiss Tech folding knife set features a quick change blade mechanism that locks a standard utility blade in place for safety and efficient cutting. The handle is made of lightweight, durable aluminum for strength and features a convenient folding design. Set includes 20 blades. These knives are great for use at home, on the job or outdoors. Our blades are designed to minimize risk of cutting injury and protect contents in cartons and packaged goods. Anyway, with this Swiss Tech Folding Utility Knife (2-Pack) with Blades (20-Pack), you can finish your work perfectly with higher efficiency. Never to miss this product designed to be so exquisite and durable. You will have no chance to regret!